/* ==========================================================================
   Acuera Fontaneros Móstoles — acuerafontaneros.es
   CSS propio (sin CDN). Paleta y tipografía según design.md
   ========================================================================== */

:root{
  --azul:#0B5FA5;
  --azul-oscuro:#084A82;
  --azul-claro:#E8F1F9;
  --urg:#E8590C;
  --urg-oscuro:#C44A08;
  --tinta:#0F172A;
  --gris:#475569;
  --borde:#E2E8F0;
  --fondo:#F8FAFC;
  --blanco:#FFFFFF;
  --ok:#16A34A;
  --radio:14px;
  --sombra:0 1px 2px rgba(15,23,42,.06), 0 8px 24px rgba(15,23,42,.06);
  --sombra-hover:0 10px 30px rgba(11,95,165,.16);
  --max:1160px;
  --font-t:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-b:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-b);color:var(--tinta);background:var(--fondo);
  font-size:17px;line-height:1.65;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-t);line-height:1.2;margin:0 0 .5em;color:var(--tinta);letter-spacing:-.02em}
h1{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1rem}
ul{padding-left:1.15rem}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section--alt{background:var(--blanco)}
.section--claro{background:var(--azul-claro)}
.centrado{text-align:center}
.sub{color:var(--gris);font-size:1.06rem;max-width:720px}
.centrado .sub{margin-left:auto;margin-right:auto}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;justify-content:center;
  font-family:var(--font-t);font-weight:700;font-size:1rem;white-space:nowrap;
  padding:.9rem 1.4rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:.18s;text-decoration:none!important;line-height:1;
}
.btn-llamar{background:var(--urg);color:#fff;box-shadow:0 6px 18px rgba(232,89,12,.32)}
.btn-llamar:hover{background:var(--urg-oscuro);transform:translateY(-1px)}
.btn-secundario{background:#fff;color:var(--azul);border-color:var(--borde)}
.btn-secundario:hover{border-color:var(--azul);background:var(--azul-claro)}
.btn-wa{background:#12A150;color:#fff}
.btn-wa:hover{background:#0E8543}
.btn-fantasma{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-fantasma:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-bloque{width:100%}

/* ---------- Navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--borde);
}
.navbar__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:70px}
.logo{display:flex;align-items:center;gap:.6rem;font-family:var(--font-t);font-weight:800;font-size:1.12rem;color:var(--tinta);text-decoration:none!important;white-space:nowrap}
.logo span small{display:block;font-family:var(--font-b);font-weight:500;font-size:.72rem;color:var(--gris);letter-spacing:.02em}
.logo__mark{width:38px;height:38px;flex:0 0 38px}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--tinta);font-weight:500;font-size:.95rem;white-space:nowrap}
.nav-links a[aria-current="page"]{color:var(--azul);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;position:relative;width:44px;height:44px;flex:0 0 44px;padding:0;
  background:transparent;border:1px solid var(--borde);border-radius:12px;cursor:pointer;transition:.2s}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--tinta);border-radius:2px;transition:.22s ease}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:28px}
.nav-toggle:hover{background:var(--azul-claro);border-color:#CFE0EF}
.nav-toggle[aria-expanded="true"]{background:var(--azul-claro);border-color:#CFE0EF}
.nav-toggle[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;transform:scaleX(.4)}
.nav-toggle[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}
/* CTA dentro del menú: solo se muestra en el desplegable móvil */
.nav-links__cta{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(135deg,#0B5FA5 0%,#084A82 55%,#062F57 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -55% auto;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 62%)}
.hero__grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:70px;padding-bottom:76px}
.hero h1{color:#fff}
.hero__sub{color:#DBE9F6;font-size:1.12rem;max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0 1.4rem}
.hero__badges{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none;padding:0;margin:0}
.hero__badges li{display:flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:.42rem .8rem;border-radius:999px;font-size:.85rem;font-weight:500}
.hero__media{position:relative}
.hero__media img{border-radius:20px;box-shadow:0 24px 60px rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.25)}
.hero__sello{position:absolute;left:-14px;bottom:-16px;background:#fff;color:var(--tinta);border-radius:14px;padding:.7rem 1rem;box-shadow:var(--sombra);font-family:var(--font-t);font-weight:800;font-size:.9rem}
.hero__sello small{display:block;font-family:var(--font-b);font-weight:500;color:var(--gris);font-size:.74rem}

/* ---------- Barra de contacto rápida ---------- */
.barra{background:#fff;border-bottom:1px solid var(--borde)}
.barra__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.barra__item{padding:22px 18px;border-left:1px solid var(--borde);display:flex;gap:.7rem;align-items:flex-start}
.barra__item:first-child{border-left:0}
.barra__item strong{display:block;font-family:var(--font-t);font-size:.98rem}
.barra__item span{color:var(--gris);font-size:.88rem}
.barra__item svg{flex:0 0 26px}

/* ---------- Grids y tarjetas ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:26px;box-shadow:var(--sombra);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sombra-hover);border-color:#CFE0EF}
.card h3{margin-bottom:.4rem}
.card p{color:var(--gris);font-size:.95rem;margin-bottom:.9rem}
.card__icono{width:48px;height:48px;border-radius:12px;background:var(--azul-claro);display:grid;place-items:center;margin-bottom:1rem;color:var(--azul)}
.card__link{font-family:var(--font-t);font-weight:700;font-size:.9rem}
.precio{font-family:var(--font-t);font-weight:800;color:var(--azul)}

/* ---------- Pasos ---------- */
.paso{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:28px;position:relative}
.paso__num{font-family:var(--font-t);font-weight:800;font-size:2.4rem;color:var(--azul-claro);line-height:1;-webkit-text-stroke:1px #B9D3EA;margin-bottom:.4rem}
.paso h3{margin-bottom:.35rem}

/* ---------- Zonas ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;list-style:none;margin:1.2rem 0 0}
.chips li{background:#fff;border:1px solid var(--borde);border-radius:999px;padding:.4rem .85rem;font-size:.88rem;color:var(--gris)}
.chips li strong{color:var(--azul);font-weight:600}

/* ---------- Testimonios ---------- */
.testi{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:26px;box-shadow:var(--sombra)}
.testi__estrellas{color:#F59E0B;letter-spacing:2px;font-size:1rem;margin-bottom:.6rem}
.testi p{font-style:italic;color:var(--gris)}
.testi__autor{font-family:var(--font-t);font-weight:700;font-size:.9rem;color:var(--tinta);font-style:normal}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--borde);border-radius:12px;margin-bottom:.7rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1.05rem 1.2rem;font-family:var(--font-t);font-weight:700;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--azul);line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--borde)}
.faq details p{padding:1rem 1.2rem;margin:0;color:var(--gris)}

/* ---------- Mapa / CTA ---------- */
.mapa{border:0;width:100%;height:380px;border-radius:var(--radio);filter:saturate(1.05)}
.cta-banda{background:linear-gradient(135deg,#E8590C,#C44A08);color:#fff;text-align:center}
.cta-banda h2{color:#fff}
.cta-banda p{color:#FFE6D6;max-width:620px;margin:0 auto 1.6rem}
.cta-banda .tel-grande{display:inline-block;font-family:var(--font-t);font-weight:800;font-size:clamp(1.6rem,5vw,2.4rem);color:#fff;margin:.2rem 0 1.2rem;text-decoration:none!important}

/* ---------- Footer ---------- */
.footer{background:#08304F;color:#C7DCEC;padding:56px 0 26px;font-size:.92rem}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:.9rem;font-family:var(--font-t)}
.footer a{color:#C7DCEC}
.footer a:hover{color:#fff}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin-bottom:.45rem}
.footer__napw{margin-top:.6rem;line-height:1.75}
.footer__bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:18px;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between;font-size:.84rem;color:#93B4CC}
.footer__bottom a{color:#93B4CC}

/* ---------- Página interna ---------- */
.page-head{background:linear-gradient(135deg,#0B5FA5,#084A82);color:#fff;padding:48px 0}
.page-head h1{color:#fff;margin-bottom:.3rem}
.page-head p{color:#DCE9F6;margin:0}
.migas{font-size:.85rem;color:#BCD5EC;margin-bottom:.7rem}
.migas a{color:#DCE9F6}
.contenido{max-width:860px}
.contenido h2{margin-top:2rem}
.contenido h3{margin-top:1.4rem}
.contenido ul li{margin-bottom:.4rem}
.aviso-info{background:var(--azul-claro);border-left:4px solid var(--azul);border-radius:8px;padding:1rem 1.2rem;color:#123;}

/* ---------- Formulario ---------- */
.formulario{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:26px;box-shadow:var(--sombra)}
.formulario label{display:block;font-family:var(--font-t);font-weight:700;font-size:.9rem;margin:.9rem 0 .3rem}
.formulario input,.formulario select,.formulario textarea{
  width:100%;padding:.75rem .85rem;border:1px solid var(--borde);border-radius:10px;
  font-family:var(--font-b);font-size:1rem;color:var(--tinta);background:#fff
}
.formulario input:focus,.formulario select:focus,.formulario textarea:focus{outline:2px solid var(--azul);outline-offset:1px;border-color:var(--azul)}
.formulario textarea{min-height:130px;resize:vertical}
.formulario .btn{margin-top:1.2rem}

/* ---------- Utilidades ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tarjeta-contacto{background:#fff;border:1px solid var(--borde);border-radius:var(--radio);padding:24px;box-shadow:var(--sombra)}
.tarjeta-contacto h3{display:flex;align-items:center;gap:.5rem}

/* ---------- Responsive ---------- */
/* El menú móvil se activa ya a 900 px: por encima de ese ancho, la barra
   superior (logo + 4 enlaces + botón de llamada) necesita ~900 px para no partirse. */
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;left:14px;right:14px;top:calc(100% + 10px);
    display:flex;flex-direction:column;gap:4px;align-items:stretch;
    background:#fff;border:1px solid var(--borde);border-radius:18px;
    padding:10px;box-shadow:0 24px 48px rgba(15,23,42,.20);
    max-height:calc(100vh - 130px);overflow:auto;overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;scrollbar-width:thin;
    opacity:0;visibility:hidden;transform:translateY(-12px) scale(.97);
    transform-origin:top center;pointer-events:none;
    transition:opacity .2s ease, transform .2s ease, visibility .2s
  }
  .nav-links.abierto{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .nav-links li{width:100%}
  .nav-links li:not(.nav-links__cta) > a{
    display:flex;align-items:center;justify-content:space-between;
    padding:.82rem 1rem;border-radius:12px;font-size:1rem;font-weight:600;
    color:var(--tinta);text-decoration:none
  }
  .nav-links li:not(.nav-links__cta) > a:hover,
  .nav-links li:not(.nav-links__cta) > a:focus-visible{background:var(--azul-claro);text-decoration:none}
  .nav-links li:not(.nav-links__cta) > a[aria-current="page"]{background:var(--azul-claro);color:var(--azul)}
  .nav-links li:not(.nav-links__cta) > a[aria-current="page"]::after{
    content:"";width:7px;height:7px;border-radius:50%;background:var(--urg)
  }
  .nav-links__cta{display:flex;flex-direction:column;gap:8px;margin-top:4px;padding-top:10px;border-top:1px solid var(--borde)}
  .nav-links__cta .btn{font-size:.94rem;padding:.72rem 1rem}
  .nav-cta .btn-llamar{padding:.62rem .85rem;font-size:.9rem}
}
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:34px;padding-top:52px;padding-bottom:60px}
  .hero__sello{left:0}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .barra__grid{grid-template-columns:repeat(2,1fr)}
  .barra__item:nth-child(3){border-left:0}
  .footer__grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .grid--3{grid-template-columns:1fr}
  .barra__grid{grid-template-columns:1fr}
  .barra__item{border-left:0;border-top:1px solid var(--borde)}
  .barra__item:first-child{border-top:0}
}
@media (max-width:520px){
  body{font-size:16px}
  .grid--4,.grid--2{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .hero__sello{left:0}
  .nav-cta{gap:0}
  /* En móvil el botón de llamada vive en el desplegable y en el hero: así la barra
     superior (logo + hamburguesa) nunca desborda, ni siquiera a 320 px. */
  .nav-cta .btn-llamar{display:none}
  .logo{font-size:1rem}
  .logo__mark{width:34px;height:34px;flex:0 0 34px}
}